Air Date: September 9th, 1975
A Brooklyn-born teacher returns to teach at his old high school.
Season 4 - Episode 23 : The Bread Winners Jun 8, 1979
Washington gets a job that Epstein thought he would easily get.
Season 4 - Episode 22 : I'm Okay, but You're Not Jun 1, 1979
Beau's friendship with the Sweathogs is jeopardized after they discover he has charmed Mr. Woodman.
Season 4 - Episode 21 : OO-OO, I Do May 25, 1979
The guys give Arnold a bachelor party that almost destroys his wedding plans.
Season 4 - Episode 20 : OO-OO, I Do May 25, 1979
Horshack discovers that he may be transferred out of Buchanan.
Season 4 - Episode 19 : The Gang Show Mar 17, 1979
Epstein and Washington are pitted against Carvelli in Buchanan's talent show.